Mouse-colored Antshrike

The mouse-colored antshrike (Thamnophilus murinus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. == Taxonomy and systematics == The mouse-colored antshrike was described by the English ornithologists Philip Sclater and Osbert Salvin in 1868 and given its current binomial name Thamnophilus murinus. It and the plain-winged antshrike (T. schistaceus) are sister species. The mouse-colored antshrike has three subspecies, the nominate T. m. murinus (Sclater, PL & Salvin, 1868), T. canipennis (Todd, 1927), and T. cayennensis (Todd, 1927). == Description == The mouse-colored antshrike is 13 to 14 cm (5.1 to 5.5 in) long and weighs 17 to 20 g (0.60 to 0.71 oz). Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. This species exhibits significant sexual dimorphism. Adult males of the nominate subspecies have gray upperparts with a hidden white patch between their scapulars. Their wings are dark yellowish brown that is somewhat rufous in the eastern part of its range; their wing coverts are grayer with buffy white tips. Their tail is brownish…